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Mass Transfer

Mass Transfer
The film penetration model of mass transfer was enunciated by

Gilliland
Stefan
Fick
Toor and Marchello

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Mass Transfer
Ion exchange process is similar to

Extraction
Leaching
Absorption
Adsorption

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Mass Transfer
Boiling point diagram is

A plot of temperature vs. liquid composition
Affected by pressure
A plot of temperature vs. vapour composition
Not affected by pressure

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Mass Transfer
Which of the following operations does not involve leaching?

Dissolving pharmaceutical products from bark or roots
Dissolving gold from ores
Removing nicotine from its water solution by kerosene
Dissolving sugar from the cells of the beet

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Mass Transfer
In a distillation column, with increase in the reflux ratio, the heat removed in the cooler

Remains unaffected
Decreases
And the heat required in reboiler decreases
Increases

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Mass Transfer
The relative volatility of a binary mixture at constant temperature __________ the total pressure.

Increases with increase in
None of these
Is independent of
Decreases with increase in

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